openstack/openstack-ansible
Code Issues Proposed changes

Disable scatter-gather offload on host bridges

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Disable scatter-gather offload on host bridges to eliminate
kernel traces that may impact container connectivity. Only
addressing AIO interfaces for now as host configuration for
actual deployments resides in documentation.

Change-Id: Ia66b2bb64b9ace66f5fa3ca8edcc9909af54a4f2
Partial-Bug: #1488815
Co-Authored-By: Evan Callicoat <apsu@propter.net>
This commit is contained in:
Matthew Kassawara 2015-09-01 09:12:50 -05:00 committed by Jesse Pretorius
parent 083769e31a
commit 6f6a37fce8
2 changed files with 5 additions and 0 deletions
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4
etc/network/interfaces.d/aio_interfaces.cfg
View File

@ -13,6 +13,7 @@ iface br-mgmt inet static
bridge_ports none bridge_ports none
address 172.29.236.100 address 172.29.236.100
netmask 255.255.252.0 netmask 255.255.252.0
offload-sg off
auto br-vxlan auto br-vxlan
iface br-vxlan inet static iface br-vxlan inet static
@ -22,6 +23,7 @@ iface br-vxlan inet static
bridge_ports none bridge_ports none
address 172.29.240.100 address 172.29.240.100
netmask 255.255.252.0 netmask 255.255.252.0
offload-sg off
# To ensure ssh checksum is correct # To ensure ssh checksum is correct
up /sbin/iptables -A POSTROUTING -t mangle -p tcp --dport 22 -j CHECKSUM --checksum-fill up /sbin/iptables -A POSTROUTING -t mangle -p tcp --dport 22 -j CHECKSUM --checksum-fill
down /sbin/iptables -D POSTROUTING -t mangle -p tcp --dport 22 -j CHECKSUM --checksum-fill down /sbin/iptables -D POSTROUTING -t mangle -p tcp --dport 22 -j CHECKSUM --checksum-fill
@ -37,6 +39,7 @@ iface br-storage inet static
bridge_ports none bridge_ports none
address 172.29.244.100 address 172.29.244.100
netmask 255.255.252.0 netmask 255.255.252.0
offload-sg off
auto br-vlan auto br-vlan
iface br-vlan inet static iface br-vlan inet static
@ -45,6 +48,7 @@ iface br-vlan inet static
bridge_fd 0 bridge_fd 0
address 172.29.248.100 address 172.29.248.100
netmask 255.255.252.0 netmask 255.255.252.0
offload-sg off
# Create veth pair, don't bomb if already exists # Create veth pair, don't bomb if already exists
pre-up ip link add br-vlan-veth type veth peer name eth12 || true pre-up ip link add br-vlan-veth type veth peer name eth12 || true
# Set both ends UP # Set both ends UP

1
scripts/bootstrap-aio.sh
View File

@ -103,6 +103,7 @@ apt-get purge -y libmysqlclient18 mysql-common
apt-get install -y bridge-utils \ apt-get install -y bridge-utils \
build-essential \ build-essential \
curl \ curl \
ethtool \
git-core \ git-core \
ipython \ ipython \
linux-image-extra-$(uname -r) \ linux-image-extra-$(uname -r) \